National Flood Hazard Layer

Federal Emergency Management Agency. (2024). National Flood Hazard Layer (NFHL) Viewer. U.S. Department of Homeland Security.
This interactive mapping tool is a dataset of flood data for the United States, compiling data from the Flood Insurance Rate Map (FIRM) databases and Letters of Map Revision (LOMRs). This tool is a key resource for determining location information for regulatory flood hazards as a part of the National Flood Insurance Program (NFIP).
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